Electronics 2024, November

Ventilation and air conditioning installation system

Ventilation and air conditioning installation system

Ventilation is one of the most important life support systems in any home. However, when the dwelling is so airtight that it resembles a thermos, then there can be no question of any comfort. Indoors, high-quality air exchange is required. Old air, which contains a lot of carbon dioxide, must leave, making room for new, fresh air

Temperature relay: diagram, principle of operation, purpose

Temperature relay: diagram, principle of operation, purpose

There are many schemes known for how a temperature relay is connected to devices. Previously, they had to be collected by hand. Now on the market you can choose a thermostat, the circuit of which is optimally suited to the heater (electric boiler, underfloor heating, etc.). It is important to ensure the necessary functionality, reliability and safety in operation

Float switch: purpose, description

Float switch: purpose, description

Float switch for electric pumps is the cheapest and easiest method of protection against "dry running" of pumping equipment. Such a switch is also called a float switch. Today, there are a great many different methods for controlling pumps, but the most popular, due to its simplicity, is the float switch

Electric floor heating: power per square meter

Electric floor heating: power per square meter

When properly designed, an underfloor heating system provides economical use of electricity, while creating comfortable conditions in the house. To obtain the effect, you need to correctly calculate the heaters and select the controls. Energy costs also depend on the proper operation of the heating system. A programmable controller should be installed on a warm floor, the power of which is determined by the turn-on time, type of room and other factors

How to choose an industrial vacuum cleaner

How to choose an industrial vacuum cleaner

Anyone who comes into contact with renovations knows how much dirt and dust they create. Sources of dust formation are wood sawing, building mixtures, metal cutting, and much more. All this is formed only in an apartment where the amount of work is quite small. And if you imagine how much dust is generated in production, then it immediately becomes clear why you need an industrial vacuum cleaner

How does a capacitor behave in an AC circuit?

How does a capacitor behave in an AC circuit?

The behavior of a capacitor included in an alternating current circuit is explained. An interpretation of Ohm's law for an alternating current circuit is given. The concept of a vector and a vector diagram is given

How an electricity generator is made

How an electricity generator is made

People who have already studied how a generator is made know that there are a number of features of connected circuits. By spinning the shaft and connecting the load to the terminals, it will not be possible to fully unlock the potential of the device

Security alarm: installation and installation

Security alarm: installation and installation

Security alarm is a set of technical devices that notify of illegal entry into a private facility. At the same time, it emits an alarm sound and transmits information to the security console. In today's world, such a system is very necessary. Private houses, shops, warehouses, etc. are put under surveillance

Residual current device - features, connection and types

Residual current device - features, connection and types

Do all owners of apartments or suburban real estate know what a residual current device is? “Yes, everyone is familiar with this!” - this is the answer. However, many people confuse RCDs with circuit breakers (or, more simply, circuit breakers). The latter are already definitely present in every entrance - they have replaced the already outdated and no longer relevant traffic jams

LiPo batteries: description, specifications, reviews

LiPo batteries: description, specifications, reviews

The article is about LiPo batteries. The characteristics of the elements, user reviews, as well as features are considered

Wireless rear view camera is a great gift

Wireless rear view camera is a great gift

If you just got your license and you are still having trouble parking, we recommend that you purchase a wireless rear view camera, which will be a great help for you! Check out all its benefits

What is a searchlight and why is it needed?

What is a searchlight and why is it needed?

Seeker headlamp is a high power lighting fixture used as a spotlight. This headlight is often used by hunters and fishermen

Projection TVs: brands, descriptions, specifications and reviews

Projection TVs: brands, descriptions, specifications and reviews

Projection TVs work on the principle of laser image display. Large models available. The frame refresh rate averages 120 Hz. A distinctive feature of projection TVs can be called high brightness

The cheapest TVs: review, selection tips and reviews

The cheapest TVs: review, selection tips and reviews

Let's try to figure out which TVs in the budget segment deserve your attention, taking into account the opinions of experts and reviews of ordinary users

Outdoor air conditioner unit: size, installation, care

Outdoor air conditioner unit: size, installation, care

The article is devoted to the external unit of the air conditioner. Its features, dimensions, installation technique and maintenance nuances are considered

Canon Wide Angle Lens: Features of Choice

Canon Wide Angle Lens: Features of Choice

Canon has developed a whole series of different lenses for its SLR cameras, which includes both super-telephoto lenses and ultra-wide-angle models. Owners of "DSLRs" from a well-known company have to think about choosing interchangeable optics

How to connect Bluedio wireless headphones: instructions

How to connect Bluedio wireless headphones: instructions

Manufacturer from China is engaged in the creation of wireless technology. He has been working since 2002. At the moment, this company is one of the most popular in the market. Everyone knows that it is cheaper to order products from the Chinese on the official website than to buy at retail. The fact is that when equipment enters Russian stores, its cost rises sharply by almost 100%. This does not happen with Bluedio products. The cost of the model is the same both in Russia and on the official website

LED lamps (spotlights): description, purpose, classification

LED lamps (spotlights): description, purpose, classification

Light-emitting diode (spot) lamps are an excellent alternative to traditional incandescent lamps, they offer more promising options for artificial lighting. Semiconductor lighting elements have received a powerful impetus in development over the past ten years, significantly increasing power, efficiency, and other characteristics

The energy of the capacitor and its capacitance

The energy of the capacitor and its capacitance

The simplest capacitor is two flat plates that have the ability to conduct electricity. The energy of a capacitor is directly related to the capacitance

Electrodynamic microphone: device, principle of operation

Electrodynamic microphone: device, principle of operation

The article discusses such a device as an electrodynamic microphone. The principle of operation of the device is explained and it is told about the best manufacturers of microphones

Chinese projectors: reviews, rating, review. The best Chinese projector

Chinese projectors: reviews, rating, review. The best Chinese projector

In the markets, the user is able to find many Chinese-made projectors. To choose a good model, it is important to understand the main parameters of the device and take into account customer reviews

Reviews about "Karkam Combo 2", description, characteristics

Reviews about "Karkam Combo 2", description, characteristics

The subject of today's review is the Karkam Combo 2 hybrid. Reviews and opinions of users, advantages and disadvantages of the model, as well as the main characteristics of the gadget will be discussed in this article

Video recorder "Karkam Combo 2": review, description, specifications and reviews

Video recorder "Karkam Combo 2": review, description, specifications and reviews

Karkam Combo 2 is positioned as a three-in-one device. It combines the functions of a DVR, a GPS informer and a radar detector. The bundle is very good, allowing the driver to avoid a lot of troubles like accidents and fines

LG sound projectors: overview, specifications, types and reviews

LG sound projectors: overview, specifications, types and reviews

The article is dedicated to LG projectors. Considered the characteristics of models, varieties, product reviews, etc

Three-chamber refrigerator: description, specifications, operating instructions

Three-chamber refrigerator: description, specifications, operating instructions

Why buy a three-chamber refrigerator? In order to understand all its advantages and disadvantages, it is worth considering the parameters of the most popular models

Electric grill with removable panels: description of the best, tips for choosing

Electric grill with removable panels: description of the best, tips for choosing

Electric grills with removable panels: branded brands, rating of the best models. How to choose an electric grill for your home and what to look for? Advantages and disadvantages of electric grills

The iphone projector brings reality to life

The iphone projector brings reality to life

Iphone is more than just a smartphone. Having become its user once, you will hardly be able to switch to using other devices. Incredibly user-friendly interface, availability of all necessary functions, unique style and design make using it a real pleasure. Every year, products from the apple brand acquire new options and opportunities. Modern technology allows you to transfer multimedia from your phone screen to a flat surface

How does a Samsung microwave oven work?

How does a Samsung microwave oven work?

Today, in stores, a Samsung microwave oven can cost as much as three thousand rubles, or eleven or twelve. The cheapest specimens have mechanical control, their volume is about 20 liters, the maximum cooking time is about half an hour. As a rule, all stoves are equipped with a turntable inside, which allows food to warm up evenly. And also a signal about the end of cooking

Sensors "Arduino": description, characteristics, connection, reviews

Sensors "Arduino": description, characteristics, connection, reviews

The Arduino platform is one of the best for building various automated systems. Indeed, Arduino is a very lightweight, but at the same time powerful platform for constructing various robots and smart systems. And of course, so that it all takes less time, ready-made sensors are sold. In this article, we will look at some of the main Arduino sensors, and how they work

Where and when an accuracy class is needed

Where and when an accuracy class is needed

The use of instruments, the accuracy class of which corresponds to the magnitude of the measurements made, allows for high accuracy of readings

Gasoline lawn mower: how to choose?

Gasoline lawn mower: how to choose?

In the summer, the owners of household plots have a new problem - mowing the lawn. To achieve an attractive appearance of the lawn, it is necessary to mow it not only regularly, but also correctly. That is why it is so important that the gasoline mower is chosen correctly. The indisputable advantage of this unit is its complete independence from the power source, that is, your lawn will be perfectly mowed even if the outlet is very far away

New in retro style. Mirrorless Samsung NX3000

New in retro style. Mirrorless Samsung NX3000

Samsung has released another novelty - mirrorless camera Samsung NX3000. A brief overview of the camera, its main characteristics and nice features. All this in our article

Car DVR DOD F900LHD: reviews and specifications

Car DVR DOD F900LHD: reviews and specifications

The hero of our review is the DOD F900 LHD car DVR. Reviews about this device excite the minds of those who are just going to purchase a device for fixing information on the go

Electric vegetable cutter: options and choices

Electric vegetable cutter: options and choices

Electric vegetable cutter helps to quickly prepare salads and prepare vegetables for the winter. This simple and unpretentious device will last a long time if you make the right choice

What should be the best iron

What should be the best iron

Striving to find the best iron, many people forget that they need an ironing device, not a computer that can iron. Therefore, when choosing an iron, it is better to focus on simpler things than electronics

Video recorder "Karkam M1": specifications, review and owner reviews

Video recorder "Karkam M1": specifications, review and owner reviews

In today's society, using a DVR has become as natural a process as washing your face in the morning and brushing your teeth. "Karkam M1" is often purchased by motorists. Read more about the pros and cons in the article

What is an electronic alcoholmeter used for?

What is an electronic alcoholmeter used for?

The production of alcoholic beverages, the main characteristic of which is their strength, began from time immemorial. In fact, alcohol is a semi-finished product, but its properties directly affect the final result - be it cognac, liquor or homemade vodka. The number of degrees or, in other words, the fortress can be measured using a special device called an electronic alcohol meter

Types of acoustic systems: designs, overview, characteristics

Types of acoustic systems: designs, overview, characteristics

The article discusses various types of acoustic systems, their features, types of designs and the advantages of certain options

JBL, acoustics: reviews. JBL Charge 2 Plus. Portable acoustics JBL Xtreme

JBL, acoustics: reviews. JBL Charge 2 Plus. Portable acoustics JBL Xtreme

Manufacturer JBL is considered one of the leaders in the speaker segment. Models of this brand are in demand among music lovers of different levels. The company's products cannot be called elite, since the very concept and characteristics of the systems are rather focused on the mass segment. However, in every niche where JBL speakers are presented, their high basic quality is noted, not to mention the functional advantages

Fax machine: features of choice

Fax machine: features of choice

A reliable simple fax machine is a combination of a telephone and a receiving device along with a printing component. The device allows you to send documents printed on any type of paper, and receive them on a special thermal tape. Due to the heating in the place of the image, the picture darkens, and you can see the transmitted information. Such devices are not only distinguished by reliability, but also by the cheapness of the device itself and its operation